Retirement Plans - Non U.S. and U.S. Pension Plans (Details) - USD ($) $ in Millions	Sep. 30, 2022	Sep. 24, 2021
Non-U.S. Plans
Defined Benefit Plan Disclosure
Accumulated benefit obligation	$ 1,434	$ 2,410
Pension plans with accumulated benefit obligations in excess of plan assets:
Accumulated benefit obligation	598	1,027
Fair value of plan assets	43	75
Pension plans with projected benefit obligations in excess of plan assets:
Projected benefit obligation	689	1,166
Fair value of plan assets	84	128
U.S. Plans
Defined Benefit Plan Disclosure
Accumulated benefit obligation	717	952
Pension plans with accumulated benefit obligations in excess of plan assets:
Accumulated benefit obligation	717	918
Fair value of plan assets	612	798
Pension plans with projected benefit obligations in excess of plan assets:
Projected benefit obligation	717	918
Fair value of plan assets	$ 612	$ 798